Interesting visit to the huge wheel, diameter fi 13.6 meters, located in a monumental building, to the left of the river Idrijca, at the entrance to the city. The wheel was moved by the water of the river Idrijca, it took 13 seconds to take a full ride and pumped 300 liters of water per minute. It began its function in 1790, in the period of great prosperity of the mine and terminated its function in 1948. It is the largest of its kind in Europe.

They are wooden wheels were powered at kamshet by rivers and groundwater to rising of accumulated in the mine. Southeast of town, on the Bank of idriica River, preserved one of the pumps, which operated between the years 1790-1948. Diameter of the pump is 13.6 meters, height of a four-story building, and is considered the largest of its kind in Europe. The wheel was able to pump 300 gallons of ground water per minute from a depth of up to 283 metres below the surface, and the operation was five rounds per minute just and effective engineering solution, worked for years. The behavior of atepalano